Home / 203,682.52-281,098.65-113,036.84

Finding the Fourth Proportional to 203,682.52, 281,098.65 and 113,036.84

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Solution

The fourth proportional to 203,682.52, 281,098.65 and 113,036.84 is: 156,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,682.52 : 281,098.65 = 113,036.84 : x
  2. Step 2: Convert to fraction form
    203,682.52/281,098.65 = 113,036.84/x
  3. Step 3: Cross multiply
    203,682.52x = 281,098.65 × 113,036.84
  4. Step 4: Simplify right side
    203,682.52x = 31,774,503,124.27
  5. Step 5: Solve for x
    x = 31,774,503,124.27/203,682.52
  6. Step 6: Final answer
    x = 156,000.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.